int initACInstance(int streamId, unsigned char* pubBytes, int pubLen, int policyId, unsigned
char* prvBytes, int prvLen);

int transform_simple(unsigned char* cipher, int cipherLen, int streamId, int policyId, unsigned char** result,
int* len);

int multiplyCiphers(unsigned char** ciphers, int size, int streamId, unsigned char** result, int* len);
